00277+3640 ES 2007AB

Coord 2000	00277+3640		Discov num	ES 2007		Comp	AB		Coord arcsec 2000	00 27 42.18 +36 40 18.1
Date first	1923		Date last	2015		Obs	8
Pa first	61		Pa last	61		P.A. Now (θ)	61°
Sep first	29.1		Sep last	28.0		Sep. Now (ρ)	28"
Mag pri	10.92		Mag sec	12.17		delta mag (ΔM)	1.25		Spectral class
Pri motion ra	+011		Sec motion ra	-012
Pri motion dec	-003		Sec motion dec	-025
Notes

rPM=1.148 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00 27 42 +36 40 18	ES 2007 AB	2015	8	61	28.0	10.92	12.17	1.25		<===
Show			00 27 44 +36 40 33	ES 2007 BC	2016	8	32	3.9	11.10	11.30	0.20

Triple system
3 visible stars in this system

Precise pa	60.5		Precise sep	28.017		Constellation	Hydra		Tycho2	2274-01199-1
Gaia DR2	366451660576494208

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00277+3640	ES 2007	AB	1998	5	61	28.2	10.92	11.10		D	002742.18+364018.1
00277+3640	ES 2007	AB	2011	6	61	28.1	10.92	11.10		D	002742.18+364018.1
00277+3640	ES 2007	AB	2015	8	61	28.0	10.92	12.17			002742.18+364018.1

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